PlatinumPDF

Sign PDF

Draw your signature and add it to your PDF document.

Click or drag files here

Upload a PDF file to sign

Supported formats: PDF

Sign PDF Documents Electronically

Stop printing, signing, and scanning. PlatinumPDF Sign PDF lets you add your signature to any document directly in your browser. Whether you need to sign a lease, a contract, or a permission slip, you can create a professional-looking signature in seconds using your mouse, trackpad, or keyboard.

Powerful Features

Draw Signature

Use your mouse or trackpad to draw your actual signature for a personal touch.

Type Signature

Type your name and choose from several handwriting-style fonts.

Upload Image

Already have a scan of your signature? Upload the image and place it on the PDF.

Multi-Signature

Add your initials to every page or sign multiple places in a single document.

Adjust & Resize

Move the signature to the exact line and resize it to fit perfectly.

100% Private

Signing happens locally. We do not store your signature or your documents.

How to Sign a PDF

1

Upload PDF

Open the document you need to sign.

2

Create Signature

Choose 'Draw', 'Type', or 'Upload' to create your signature.

3

Place

Drag the signature onto the signature line. Resize if needed.

4

Save

Click 'Sign PDF' to bond the signature to the file and download.

Who Can Benefit? (15+ Use Cases)

Business Efficiency

  • Contracts: Close deals faster by signing agreements instantly from your laptop.
  • Remote Work: Sign HR forms and internal documents without needing a printer.
  • Freelancers: Sign and return NDAs or SOWs immediately to start projects.

Personal

  • Rental Agreements: Sign lease documents quickly to secure an apartment.
  • School Forms: Fill and sign permission slips for your children.

Real-World Scenarios

Frequently Asked Questions

Is this a legal digital signature?

This tool creates an 'Electronic Signature', which is legally binding for most business agreements (ESIGN Act, eIDAS). However, it is not a cryptographic 'Digital Signature' certificate often required for government documents.

Can I change the color?

Yes, you can choose black (standard), blue (traditional), or read ink for your signature.

Do you save my signature?

No. Your signature is generated in your browser's memory and deleted when you close the tab. We do not store it.